CVE-2023-3747

Insufficient Validation on Override Codes for Always-Enabled WARP Mode

Description

Zero Trust Administrators have the ability to disallow end users from disabling WARP on their devices. Override codes can also be created by the Administrators to allow a device to temporarily be disconnected from WARP, however, due to lack of server side validation, an attacker with local access to the device, could extend the maximum allowed disconnected time of WARP client granted by an override code by changing the date & time on the local device where WARP is running.

Categories

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Affected: Cloudflare WARP Client
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2023-3747?
CVE-2023-3747 has been scored as a medium severity vulnerability.
How to fix CVE-2023-3747?
To fix CVE-2023-3747, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-3747 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-3747 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-3747?
CVE-2023-3747 affects Cloudflare WARP Client.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.